Home / 10,073.80-15,115.02-6,557.32

Finding the Fourth Proportional to 10,073.80, 15,115.02 and 6,557.32

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Solution

The fourth proportional to 10,073.80, 15,115.02 and 6,557.32 is: 9,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.80 : 15,115.02 = 6,557.32 : x
  2. Step 2: Convert to fraction form
    10,073.80/15,115.02 = 6,557.32/x
  3. Step 3: Cross multiply
    10,073.80x = 15,115.02 × 6,557.32
  4. Step 4: Simplify right side
    10,073.80x = 99,114,022.95
  5. Step 5: Solve for x
    x = 99,114,022.95/10,073.80
  6. Step 6: Final answer
    x = 9,838.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.